US PATENT SUBCLASS 257 / 423
.~.~ Bipolar transistor magnetic field sensor (e.g., lateral bipolar transistor)


Current as of: June, 1999
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257 /   HD   ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES)

414  DF  RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) {4}
421  DF  .~ Magnetic field {6}
423.~.~ Bipolar transistor magnetic field sensor (e.g., lateral bipolar transistor)


DEFINITION

Classification: 257/423

Bipolar transistor magnetic field sensor (e.g., lateral

bipolar transistor):

(under subclass 421) Subject matter wherein the active solid-state device includes a bipolar transistor as the magnetic field sensor.